What is the tire size for a 2020 GMC Sierra 2500HD?

Depends on trim: 1500: P245/70R17, 2WD Crew Cab 159": P245/70R17, 2WD Crew Cab 159" SLE: P245/70R17, 2WD Crew Cab 159" SLT: P245/70R17, 2WD Crew Cab 172": P245/70R17, 2WD Crew Cab 172" SLE: P245/70R17, 2WD Crew Cab 172" SLT: P245/70R17, 2WD Double Cab 149": P245/70R17, 2WD Double Cab 149" SLE: P245/70R17, 2WD Double Cab 149" SLT: P245/70R17, 2WD Double Cab 162": P245/70R17, 2WD Double Cab 162" SLE: P245/70R17, 2WD Double Cab 162" SLT: P245/70R17, 2WD Reg Cab 142": P245/70R17, 2WD Reg Cab 142" SLE: P245/70R17, 4WD Crew Cab 159": P245/70R17, 4WD Crew Cab 159" AT4: P245/70R17, 4WD Crew Cab 159" Denali: P245/70R17, 4WD Crew Cab 159" SLE: P245/70R17, 4WD Crew Cab 159" SLT: P245/70R17, 4WD Crew Cab 172": P245/70R17, 4WD Crew Cab 172" AT4: P245/70R17, 4WD Crew Cab 172" Denali: P245/70R17, 4WD Crew Cab 172" SLE: P245/70R17, 4WD Crew Cab 172" SLT: P245/70R17, 4WD Double Cab 149": P245/70R17, 4WD Double Cab 149" SLE: P245/70R17, 4WD Double Cab 149" SLT: P245/70R17, 4WD Double Cab 162": P245/70R17, 4WD Double Cab 162" SLE: P245/70R17, 4WD Double Cab 162" SLT: P245/70R17, 4WD Reg Cab 142": P245/70R17, 4WD Reg Cab 142" SLE: P245/70R17

How much horsepower does a 2020 GMC Sierra 2500HD have?

401 to 401 hp depending on trim

2020 GMC Sierra 2500HD Specifications

Compare all 33 trims side by side

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Specification	1500	2WD Crew Cab 159"	2WD Crew Cab 159" SLE	2WD Crew Cab 159" SLT	2WD Crew Cab 172"	2WD Crew Cab 172" SLE	2WD Crew Cab 172" SLT	2WD Double Cab 149"	2WD Double Cab 149" SLE	2WD Double Cab 149" SLT	2WD Double Cab 162"	2WD Double Cab 162" SLE	2WD Double Cab 162" SLT	2WD Reg Cab 142"	2WD Reg Cab 142" SLE	4WD Crew Cab 159"	4WD Crew Cab 159" AT4	4WD Crew Cab 159" Denali	4WD Crew Cab 159" SLE	4WD Crew Cab 159" SLT	4WD Crew Cab 172"	4WD Crew Cab 172" AT4	4WD Crew Cab 172" Denali	4WD Crew Cab 172" SLE	4WD Crew Cab 172" SLT	4WD Double Cab 149"	4WD Double Cab 149" SLE	4WD Double Cab 149" SLT	4WD Double Cab 162"	4WD Double Cab 162" SLE	4WD Double Cab 162" SLT	4WD Reg Cab 142"	4WD Reg Cab 142" SLE
Engine
Horsepower	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp	401 hp
Torque	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft	464 lb-ft
Displacement	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L	6.6L
Cylinders	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Engine Type	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas	Gas
Transmission	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd	Automatic 4-spd
Drivetrain	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Rear Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive	Four Wheel Drive
Fuel Type	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline	Regular Gasoline
Performance
Fuel Tank	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L	136.3L
Curb Weight	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs	6442 lbs
Towing	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs	4600 lbs
Dimensions
Length	6759 mm	6759 mm	5982 mm	5982 mm	6759 mm	6352 mm	6352 mm	6514 mm	6107 mm	6107 mm	6514 mm	6107 mm	6514 mm	6759 mm	6352 mm	6759 mm	6352 mm	5982 mm	5982 mm	6352 mm	6759 mm	6759 mm	6352 mm	6352 mm	6352 mm	6514 mm	6107 mm	6107 mm	6514 mm	6107 mm	6514 mm	6759 mm	6759 mm
Width	2079 mm	2079 mm	2076 mm	2076 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2076 mm	2076 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm	2079 mm
Height	2023 mm	2023 mm	2030 mm	2030 mm	2023 mm	2027 mm	2027 mm	2027 mm	2031 mm	2031 mm	2027 mm	2031 mm	2027 mm	2023 mm	2027 mm	2023 mm	2027 mm	2030 mm	2030 mm	2027 mm	2023 mm	2023 mm	2027 mm	2027 mm	2027 mm	2027 mm	2031 mm	2031 mm	2027 mm	2031 mm	2027 mm	2023 mm	2023 mm
Wheelbase	4369 mm	4369 mm	3595 mm	3595 mm	4369 mm	4037 mm	4037 mm	4127 mm	3795 mm	3795 mm	4127 mm	3795 mm	4127 mm	4369 mm	4037 mm	4369 mm	4037 mm	3595 mm	3595 mm	4037 mm	4369 mm	4369 mm	4037 mm	4037 mm	4037 mm	4127 mm	3795 mm	3795 mm	4127 mm	3795 mm	4127 mm	4369 mm	4369 mm
Seats	6	6	3	3	6	6	6	6	6	6	6	6	6	6	6	5	5	3	3	6	6	6	5	6	6	6	6	6	6	6	6	5	6
Body	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup
Tires & Wheels
Front Tires	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17
Rear Tires	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17	P245/70R17
Wheel Size	inches	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"	17"
Brakes & Suspension
Front Suspension	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar	Torsion Bar
Rear Suspension	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf	3-Stage Leaf
Fluids & Maintenance
Oil Type	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30	5W-30
Oil Capacity	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L	5.7L
Electric / Hybrid

2020 Sierra 2500HD Maintenance Guide All Sierra 2500HD Years Sierra 2500HD for Sale